WO2015109629A1 - Direct-current permanent magnet synchronous motor with external control card, and control system thereof using hvac - Google Patents

Direct-current permanent magnet synchronous motor with external control card, and control system thereof using hvac Download PDF

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Publication number
WO2015109629A1
WO2015109629A1 PCT/CN2014/072483 CN2014072483W WO2015109629A1 WO 2015109629 A1 WO2015109629 A1 WO 2015109629A1 CN 2014072483 W CN2014072483 W CN 2014072483W WO 2015109629 A1 WO2015109629 A1 WO 2015109629A1
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WO
WIPO (PCT)
Prior art keywords
motor
control
permanent magnet
magnet synchronous
microprocessor
Prior art date
Application number
PCT/CN2014/072483
Other languages
French (fr)
Chinese (zh)
Inventor
赵勇
边文清
鲁楚平
Original Assignee
中山大洋电机股份有限公司
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Publication of WO2015109629A1 publication Critical patent/WO2015109629A1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/35—Devices for recording or transmitting machine parameters, e.g. memory chips or radio transmitters for diagnosis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements

Definitions

  • the utility model relates to a DC permanent magnet synchronous motor with an external control card and an HVAC control system thereof.
  • the existing integrated permanent magnet synchronous motor connects the motor unit and the motor controller, the motor unit includes a stator assembly, a rotor assembly and a casing assembly, and the stator assembly is mounted on the casing assembly, and the rotor assembly is assembled On the inner side or the outer side of the stator assembly, the motor controller comprises a power supply unit, a motor operating parameter detecting circuit, a microprocessor, an inverter unit and an interface circuit, and an output end of the power unit supplies power to each part of the motor controller, the motor
  • the operating parameter detecting circuit detects the running data of the motor unit and sends the signal to the microprocessor for processing.
  • the microprocessor controls the inverter circuit to drive the on and off of the winding of the motor winding on the stator assembly.
  • the HVAC control system has various control applications, such as EGF control function, constant speed control function, constant torque control function and constant air volume. Control functions, etc. These are the upper-level applications.
  • EGF control function EGF control function
  • constant speed control function constant speed control function
  • constant torque control function constant air volume. Control functions, etc. These are the upper-level applications.
  • An object of the present invention is to provide a DC permanent magnet synchronous motor with an external control card, which applies application control independently of the motor, and concentrates the application control part in the external control card, and places the basic drive control part on the motor.
  • the controller can adapt to different application environments only by replacing different external control cards. It has strong adaptability and reduces waste caused by environmental change or function change. It is beneficial for secondary development.
  • the motor unit and motor controller are only realized. Basic open loop control drive function, easy to detect, easy to guarantee quality, easy to repair.
  • the object of the present invention is achieved by the following technical solutions.
  • a DC permanent magnet synchronous motor with an external control card comprising a motor unit and a motor controller, the motor unit comprising a rotating shaft, a permanent magnet rotor assembly, a stator assembly and a casing assembly, a permanent magnet rotor assembly and a stator assembly Forming a magnetic yoke and mounting on the casing assembly, the stator assembly includes a stator core and a winding winding wound on the stator core, the motor controller including a driving control microprocessor, an inverter circuit, and a motor operating parameter detection The circuit, the motor running parameter detecting circuit inputs the motor running parameter to the drive control microprocessor, and the drive control microprocessor outputs the P medical signal to control the inverter circuit, and the output end of the inverter circuit is connected with the wire winding, and the feature is: An external control card is connected outside the motor through a wire, and the external control card includes an application control microprocessor, and the application control microprocessor and the drive control microprocessor communicate with each other.
  • the motor operating parameter detecting circuit described above comprises a rotor position measuring circuit, the rotor position measuring circuit inputs the rotor position data to the drive control microprocessor and determines the current commutation timing, and the drive control microprocessor drives the inverter circuit to form an open Ring control mode.
  • the motor operating parameter detecting circuit described above includes a phase current measuring circuit that inputs phase current data to a drive control microprocessor, and the drive control microprocessor drives the inverter circuit to form an open loop control mode.
  • the application control microprocessor and the drive control microprocessor described above are mutually connected and communicated through the R/T serial communication module, and the drive control microprocessor sends the motor operation state data to the application control microprocessor, and the application control micro processing
  • the controller issues a control command to the drive control microprocessor according to the motor operating state data, and the drive control microprocessor executes the control command to control the operation of the inverter circuit to form a closed loop control.
  • the application control microprocessor described above stores a constant air volume control module or a constant speed control module or a constant torque control module.
  • the external control card and the motor controller described above adopt the Wife line: the ground line GND, the +5V power line, the RX communication line and the TX communication line.
  • the external control card and the motor controller described above adopt three interface lines: ground GND, +5V power line, and R/T communication line.
  • the motor controller described above further comprises a power supply circuit, the power supply circuit supplies power to each part of the circuit, the power supply circuit, the drive control microprocessor, the inverter circuit are integrated on the control circuit board, the control circuit board is installed in the control box, and the control box Installed on the bottom of the casing assembly, the external control card is located outside the control box, the input of the power circuit is connected to the external AC input, and the output of the power circuit provides the bus voltage, +5V low voltage and +15V low voltage, of which the bus voltage The 15V low voltage is supplied to the inverter circuit, and the +5V low voltage is taken out to form the power supply terminal for supplying external devices.
  • the motor operating parameter detecting circuit described above further includes a bus current measuring circuit and a bus voltage measuring circuit.
  • the casing assembly described above comprises a cylindrical casing, a front end cover and a rear end cover.
  • the permanent magnet rotor assembly is mounted on the rotating shaft, and the stator assembly and the cylindrical casing are connected together and nested outside the permanent magnet rotor assembly, the front end cover And a rear end cover are respectively mounted at both ends of the cylindrical housing, and the rotating shaft is supported on the bearings of the front end cover and the rear end cover.
  • the motor controller described above is mounted on the outside of the casing assembly, and the circuit board of the motor controller is mounted inside a casing, and the casing is connected to the rear cover.
  • Another object of the present invention is to provide an HVAC control system using the DC permanent magnet synchronous motor of the above external control card, and the HVAC control system directly connects the DC permanent magnet synchronization with an external control card through the socket. Motor.
  • a DC permanent magnet synchronous motor of an external control card of the present invention comprising a motor unit and a motor controller, wherein the motor controller comprises a drive control microprocessor, an inverter circuit and a motor operating parameter detection
  • the circuit, the motor running parameter detecting circuit inputs the motor running parameter to the driving control microprocessor, and the driving control microprocessor outputs the P medical signal to control the inverter circuit, and the output end of the inverter circuit is connected with the winding of the wire, which is located outside the motor and passes through
  • the wire is connected with an external control card, and the external control card includes With the control microprocessor, the application control microprocessor and the drive control microprocessor are connected to each other, so that the application control is independent of the motor, and the application control part is entirely concentrated in the external control card, and the basic drive control part is It is placed in the motor controller, so that it can adapt to different application environments by replacing the external control card with different application control functions. It has strong adaptability, reduces waste caused by environmental change or function change, and is
  • the external control card and the motor controller described above adopt the 4-hair line: ground GND, +5V power line, RX communication line and TX communication line, and the interface is single, low cost and reliable communication.
  • the external control card and motor controller described above use three interface lines: ground GND, +5V power line, R/T communication line, and further cylindrical interface, which is lower in cost and more reliable in communication. Generally, the connection distance of more than ten meters is also relatively reliable.
  • An HVAC control system of the present invention adopts the DC permanent magnet synchronous motor of the above external control card, and the HVAC control system directly connects the DC permanent magnet synchronous motor with an external control card through the socket, so that Only need to replace the external control card with different application control functions to adapt to different application environments, adaptability, reduce waste caused by environmental changes or function changes, and facilitate secondary development.
  • the HVAC control system adopts the DC permanent magnet synchronous motor of the above external control card, and the external control card of the DC permanent magnet synchronous motor is installed on the HVAC control system, and the tubular structure can be , cut costs.
  • Figure 1 is a perspective view of the motor of the present invention
  • Figure 2 is an exploded view of the external control card portion of the motor of the present invention.
  • Figure 3 is an exploded view of the overall structure of the motor of the present invention.
  • Figure 4 is a cross-sectional view showing the structure of the motor of the present invention.
  • Figure 5 is a perspective view of a motor controller portion of the present invention
  • Figure 6 is a first circuit block diagram of the motor controller of the present invention
  • Figure 7 is a circuit diagram of an implementation corresponding to Figure 6;
  • Figure 8 is a second circuit block diagram of the motor controller of the present invention.
  • FIG. 9 is a schematic block diagram of the HVAC control system of the present invention.
  • FIG. 10 is another schematic block diagram of the HVAC control system of the present invention.
  • the utility model relates to a DC permanent magnet synchronous motor with an external control card, comprising a motor unit and a motor controller, wherein the motor unit comprises a rotating shaft 1 and a permanent magnet rotor assembly 2 .
  • stator assembly 3 includes a stator core and a winding winding wound on the stator core
  • the motor controller includes a drive control microprocessor, an inverter circuit and a motor operation parameter detection circuit, and the motor operation parameter detection circuit inputs the motor operation parameter to the drive control microprocessor, and the drive control microprocessor outputs the P medical signal control inverter.
  • the circuit, the output end of the inverter circuit is connected to the winding of the winding, is located outside the motor, and is connected with an external control card 100 through the wire 101.
  • the external control card 100 includes an application control microprocessor, an application control microprocessor and a driving control micro
  • the processor is connected to each other, and the application control microprocessor of the external control card 100 can be a minimum single-chip system, and the motor application system is realized by software.
  • the control algorithm of the system level, the motor running parameter detecting circuit comprises a rotor position measuring circuit, and the rotor position measuring circuit inputs the rotor position data to the driving control microprocessor, and the driving control microprocessor drives the inverter circuit to form an open loop control mode.
  • the application control microprocessor and the drive control microprocessor communicate with each other through the R/T serial communication module, and the drive control microprocessor sends the motor running state data to the application control microprocessor, and the application control microprocessor operates according to the motor.
  • the status data issues control commands to the drive control microprocessor, and the drive control microprocessor executes control commands to control the operation of the inverter circuit to form closed loop control.
  • the application control microprocessor stores a constant air volume control module or a constant speed control module or a constant torque control module.
  • the control modules in each external control card 100 are different, as long as different external applications are selected according to different applications.
  • Control card 1 00 such as HVAC control system needs to achieve constant air volume control
  • the control module inside the external control card 100 adopts a constant air volume control module.
  • the external control card and the motor controller described above adopt a 4-hair line: a ground line GND, a +5V power line, an RX communication line, and a TX communication line.
  • the external control card and the motor controller described above adopt three interface lines: ground GND, +5V power line, and R/T communication line, so that the interface is further compressed, the cost is lower, the communication is more reliable, and generally Communication distance of more than ten meters is also relatively reliable.
  • the casing assembly described above includes a cylindrical casing 4, a front end cover 5, and a rear end cover 6, and the permanent magnet rotor assembly 2 is mounted on the rotating shaft 1, and the stator assembly 3 and the cylindrical casing 4 are connected together and nested in the permanent Outside the magnetic rotor assembly 2, the front end cover 5 and the rear end cover 6 are respectively mounted at the two ends of the cylindrical housing 4, and the rotating shaft 1 is 7
  • the motor controller further includes a power supply circuit, the power supply circuit supplies power to each part of the circuit, the power supply circuit, the drive control microprocessor, and the inverter circuit are integrated on the control circuit board 9, and the control circuit board 9 is installed in the control box 7, the control box 7 is installed at the bottom of the casing assembly, the external control card 100 is located outside the control box 7, the input end of the power circuit is connected with an external AC input, and the output of the power circuit provides a bus voltage, a +5V low voltage, and a +15V low voltage.
  • the bus voltage and 15V low voltage are supplied to the inverter circuit, and the +5 V low voltage is taken out to form a power supply terminal for supplying external devices.
  • the DC permanent magnet synchronous motor with an external control card is also provided with a socket 8 for directly connecting a DC permanent magnet synchronous motor with an external control card to the HVAC control system through the socket 8.
  • the motor operating parameter detecting circuit described above further includes a bus current measuring circuit and a bus voltage measuring circuit.
  • the DC permanent magnet synchronous motor with external control card is assumed to be a 3-phase motor, and the rotor position measuring circuit generally adopts three Hall sensors, and three Hall sensors respectively detect a rotor with a 360-degree electrical angular period.
  • the position, the electrical angle of each phase of the stator assembly 3 is changed once every 120 degrees of electrical angle to form a 3-phase 6-step control mode.
  • AC input AC INPUT
  • diodes D7, D8 After the full-wave rectification circuit composed of D9 and D10, the DC bus voltage Vbus is outputted at one end of the capacitor CI, and the DC bus voltage Vbus is related to the input AC voltage.
  • the bus voltage Vbus is constant.
  • the inverter circuit is composed of electronic switch tubes Ql, Q2, Q3, Q4, Q5, Q6, and the control terminals of the electronic switch tubes Ql, Q2, Q3, Q4, Q5, Q6 are respectively driven by the 6-channel output of the drive control microprocessor.
  • PWM signal (Pl, P2, P3, P4, P5, P6) is controlled.
  • the inverter circuit is also connected with a resistor R1 for detecting the bus current I bus .
  • the bus current detecting circuit converts the detected bus current Ibus of the resistor R1 and transmits it to the drive control. microprocessor.
  • the motor unit and the motor controller only realize the basic open-loop control drive function, the detection is easy, the quality is easy to ensure, and the maintenance is easy. It is located outside the motor and has an external control card connected through the wire.
  • the external control card includes an application control microprocessor.
  • the application control microprocessor and the drive control microprocessor are connected to each other, so that the application control is independent of the motor, the application control part is entirely concentrated in the external control card, and the basic drive control part is placed on the motor controller. In this way, it is only necessary to replace the external control card with different application control functions to adapt to different applications.
  • the motor running parameter detecting circuit includes a phase current measuring circuit, and the phase current measuring circuit inputs the phase current data to the driving control microprocessor, and the driving control microprocessor drives the inverter circuit to form an open loop control mode.
  • the phase current data can be used to estimate the rotor position and rotor speed, thus providing a basis for the drive control microprocessor to determine the current commutation timing.
  • the HVAC control system directly connects the DC permanent magnet synchronous motor with an external control card through the connector 8, and the drive control microprocessor directly communicates with the HVAC control system.
  • the HVAC control system directly connects the DC permanent magnet synchronous motor with an external control card through the socket 8, and the external control card 100 of the DC permanent magnet synchronous motor is mounted on the HVAC control system. .

Abstract

Disclosed is a direct-current permanent magnet synchronous motor with an external control card. The direct-current permanent magnet synchronous motor comprises a motor single body and a motor controller. The motor single body comprises a rotating shaft, a permanent magnetism rotor assembly, a stator assembly, and a housing assembly. The permanent magnetism rotor assembly and the stator assembly form magnetic coupling and are mounted on the housing assembly. The motor controller comprises a driving control microprocessor, an inverter circuit, and a motor operating parameter detection circuit. The motor operating parameter detection circuit inputs a motor operating parameter into the driving control microprocessor. The driving control microprocessor outputs a PWM signal to control the inverter circuit. An output end of the inverter circuit is connected to a coil winding. The control system is characterized that: the control system is located outside the motor, is connected to the external control card by means of a wire, the external control card comprises an application control microprocessor, and the application control microprocessor is connected to and communicates with the driving control microprocessor. The direct-current permanent magnet synchronous motor has strong adaptability, reduces waste caused by environment change or function change, helps to carry out secondary development, is easy to detect, is easy to ensure the quality, and is easy to maintain.

Description

一种外置控制卡的直流永磁同步电机及其应用 HVAC控制系统 技术领域：  DC permanent magnet synchronous motor with external control card and its application HVAC control system
本实用新型涉及种外置控制卡的直流永磁同步电机及其应用 HVAC 控制系 统。  The utility model relates to a DC permanent magnet synchronous motor with an external control card and an HVAC control system thereof.
背景技术： Background technique:
现有的一体化永磁同步电机将电机单体和电机控制器连接在一起， 所述的 电机单体包括定子组件、 转子组件和机壳组件， 定子组件安装在机壳组件上， 转子组件套装在定子组件的内侧或者外侧， 所述的电机控制器包括电源单元、 电机运行参数检测电路、 微处理器、 逆变单元和接口电路， 电源单元的输出端 为电机控制器各部分电路供电， 电机运行参数检测电路检测电机单体的运行数 据并将该信号送到微处理器处理， 微处理器控制逆变电路驱动定子组件上电机 线圏绕组的通断。  The existing integrated permanent magnet synchronous motor connects the motor unit and the motor controller, the motor unit includes a stator assembly, a rotor assembly and a casing assembly, and the stator assembly is mounted on the casing assembly, and the rotor assembly is assembled On the inner side or the outer side of the stator assembly, the motor controller comprises a power supply unit, a motor operating parameter detecting circuit, a microprocessor, an inverter unit and an interface circuit, and an output end of the power unit supplies power to each part of the motor controller, the motor The operating parameter detecting circuit detects the running data of the motor unit and sends the signal to the microprocessor for processing. The microprocessor controls the inverter circuit to drive the on and off of the winding of the motor winding on the stator assembly.
上述一体化永磁同步电机存在几个有待解决的问题：  There are several problems to be solved in the above integrated permanent magnet synchronous motor:
1 ) 由于一体化永磁同步电机还受上级的控制系统控制， 例如 HVAC控制 系统， HVAC控制系统有多种控制应用场合， 例如 EGF控制功能、 恒转速控制功 能、 恒转矩控制功能和恒风量控制功能等， 这些都是上层的应用， 电机在出厂 时， 在微处理器已经固化写入控制程序 （即一个控制功能）， 一旦需要转换应用 环境， 这些电机就不能应用， 造成较多的浪费， 变换不灵活， 不利于二次开发。  1) Since the integrated permanent magnet synchronous motor is also controlled by the superior control system, such as the HVAC control system, the HVAC control system has various control applications, such as EGF control function, constant speed control function, constant torque control function and constant air volume. Control functions, etc. These are the upper-level applications. When the motor is shipped from the factory, the microprocessor has already been programmed to write the control program (ie, a control function). Once the application environment needs to be converted, these motors cannot be applied, resulting in more waste. The transformation is not flexible, which is not conducive to secondary development.
2 )控制器的应用控制较为复杂， 常导致产品检测麻烦。  2) The application control of the controller is complicated, which often leads to troublesome product detection.
发明内容： Summary of the invention:
本实用新型的一个目的是提供一种外置控制卡的直流永磁同步电机， 它将 应用控制独立于电机， 将应用控制部分全部集中在外置控制卡里面， 将基本的 驱动控制部分放在电机控制器， 这样只需要更换不同的外置控制卡就能适应不 同的应用环境， 适应性强， 减少因环境变换或者功能变换造成的浪费， 有利二 次开发， 电机单体和电机控制器只实现基本开环控制驱动功能， 检测容易， 质 量容易保证， 检修容易。 本实用新型的目的是通过下述技术方案予以实现的。 An object of the present invention is to provide a DC permanent magnet synchronous motor with an external control card, which applies application control independently of the motor, and concentrates the application control part in the external control card, and places the basic drive control part on the motor. The controller can adapt to different application environments only by replacing different external control cards. It has strong adaptability and reduces waste caused by environmental change or function change. It is beneficial for secondary development. The motor unit and motor controller are only realized. Basic open loop control drive function, easy to detect, easy to guarantee quality, easy to repair. The object of the present invention is achieved by the following technical solutions.
一种外置控制卡的直流永磁同步电机， 包括电机单体和电机控制器， 所述 的电机单体包括转轴、 永磁转子组件、 定子组件和机壳组件， 永磁转子组件和 定子组件形成磁藕合并安装在机壳组件上， 定子组件包括定子铁芯和卷绕在定 子铁芯上线圏绕组， 所述的电机控制器包括有驱动控制微处理器、 逆变电路和 电机运行参数检测电路， 电机运行参数检测电路将电机运行参数输入到驱动控 制微处理器， 驱动控制微处理器输出 P醫信号控制逆变电路， 逆变电路的输出 端与线圏绕组连接， 其特征在于： 位于电机外面、 通过电线连接有外置控制卡， 外置控制卡包括应用控制微处理器， 应用控制微处理器与驱动控制微处理器相 互连接通信。  A DC permanent magnet synchronous motor with an external control card, comprising a motor unit and a motor controller, the motor unit comprising a rotating shaft, a permanent magnet rotor assembly, a stator assembly and a casing assembly, a permanent magnet rotor assembly and a stator assembly Forming a magnetic yoke and mounting on the casing assembly, the stator assembly includes a stator core and a winding winding wound on the stator core, the motor controller including a driving control microprocessor, an inverter circuit, and a motor operating parameter detection The circuit, the motor running parameter detecting circuit inputs the motor running parameter to the drive control microprocessor, and the drive control microprocessor outputs the P medical signal to control the inverter circuit, and the output end of the inverter circuit is connected with the wire winding, and the feature is: An external control card is connected outside the motor through a wire, and the external control card includes an application control microprocessor, and the application control microprocessor and the drive control microprocessor communicate with each other.
上述所述的电机运行参数检测电路包括转子位置测量电路， 转子位置测量 电路将转子位置数据输入到驱动控制微处理器并确定电流换相时机， 驱动控制 微处理器驱动逆变电路， 从而形成开环控制模式。  The motor operating parameter detecting circuit described above comprises a rotor position measuring circuit, the rotor position measuring circuit inputs the rotor position data to the drive control microprocessor and determines the current commutation timing, and the drive control microprocessor drives the inverter circuit to form an open Ring control mode.
上述所述的电机运行参数检测电路包括相电流测量电路， 相电流测量电路 将相电流数据输入到驱动控制微处理器， 驱动控制微处理器驱动逆变电路， 从 而形成开环控制模式。  The motor operating parameter detecting circuit described above includes a phase current measuring circuit that inputs phase current data to a drive control microprocessor, and the drive control microprocessor drives the inverter circuit to form an open loop control mode.
上述所述的应用控制微处理器与驱动控制微处理器是通过 R/T串行通信模 块相互连接通信， 驱动控制微处理器将电机运行状态数据发送到应用控制微处 理器， 应用控制微处理器根据电机运行状态数据发出控制指令到驱动控制微处 理器， 驱动控制微处理器执行控制指令控制逆变电路运作， 从而形成闭环控制。  The application control microprocessor and the drive control microprocessor described above are mutually connected and communicated through the R/T serial communication module, and the drive control microprocessor sends the motor operation state data to the application control microprocessor, and the application control micro processing The controller issues a control command to the drive control microprocessor according to the motor operating state data, and the drive control microprocessor executes the control command to control the operation of the inverter circuit to form a closed loop control.
上述所述的应用控制微处理器里面存储有恒风量控制模块或者恒转速控制 模块或者是恒力矩控制模块。  The application control microprocessor described above stores a constant air volume control module or a constant speed control module or a constant torque control module.
上述所述的外置控制卡与电机控制器采用 4 妻口线：分别为地线 GND、 +5V 电源线、 RX通信线和 TX通信线。  The external control card and the motor controller described above adopt the Wife line: the ground line GND, the +5V power line, the RX communication line and the TX communication line.
上述所述的外置控制卡与电机控制器采用 3个接口线：分别为地线 GND、 +5V 电源线、 R/T通信线。 上述所述的电机控制器还包括电源电路， 电源电路为各部分电路供电， 电 源电路、 驱动控制微处理器、 逆变电路集成在控制电路板上， 控制电路板安装 在控制盒里面， 控制盒安装在机壳组件底部， 外置控制卡位于控制盒的外面，电 源电路的输入端与外部交流输入连接， 电源电路的输出端提供母线电压、 +5V低 电压和 +15V低电压， 其中母线电压和 15V低电压提供给逆变电路使用， +5V低 电压引出形成供应外部设备的电源引出端。 The external control card and the motor controller described above adopt three interface lines: ground GND, +5V power line, and R/T communication line. The motor controller described above further comprises a power supply circuit, the power supply circuit supplies power to each part of the circuit, the power supply circuit, the drive control microprocessor, the inverter circuit are integrated on the control circuit board, the control circuit board is installed in the control box, and the control box Installed on the bottom of the casing assembly, the external control card is located outside the control box, the input of the power circuit is connected to the external AC input, and the output of the power circuit provides the bus voltage, +5V low voltage and +15V low voltage, of which the bus voltage The 15V low voltage is supplied to the inverter circuit, and the +5V low voltage is taken out to form the power supply terminal for supplying external devices.
上述所述的电机运行参数检测电路还包括母线电流测量电路和母线电压 测量电路。  The motor operating parameter detecting circuit described above further includes a bus current measuring circuit and a bus voltage measuring circuit.
上述所述的机壳组件包括圓筒壳体、 前端盖、 后端盖， 永磁转子组件安装 在转轴上， 定子组件与圓筒壳体连接在一起嵌套在永磁转子组件外面， 前端盖 和后端盖分别安装在圓筒壳体的两端， 转轴支承在前端盖和后端盖的轴承上。  The casing assembly described above comprises a cylindrical casing, a front end cover and a rear end cover. The permanent magnet rotor assembly is mounted on the rotating shaft, and the stator assembly and the cylindrical casing are connected together and nested outside the permanent magnet rotor assembly, the front end cover And a rear end cover are respectively mounted at both ends of the cylindrical housing, and the rotating shaft is supported on the bearings of the front end cover and the rear end cover.
上述所述的电机控制器安装在机壳组件的外面， 电机控制器的电路板安装 在一个外罩里面， 外罩与后端盖连接安装。  The motor controller described above is mounted on the outside of the casing assembly, and the circuit board of the motor controller is mounted inside a casing, and the casing is connected to the rear cover.
本实用新型的另一个目的是提供一种 HVAC控制系统， 该 HVAC控制系统采 用上述外置控制卡的直流永磁同步电机， HVAC控制系统通过接插口直接连接带 外置控制卡的直流永磁同步电机。  Another object of the present invention is to provide an HVAC control system using the DC permanent magnet synchronous motor of the above external control card, and the HVAC control system directly connects the DC permanent magnet synchronization with an external control card through the socket. Motor.
本实用新型的第三个目的是提供一种 HVAC控制系统， 该 HVAC控制系统采 用上述外置控制卡的直流永磁同步电机， HVAC控制系统通过接插口直接连接带 外置控制卡的直流永磁同步电机， 直流永磁同步电机的外置控制卡安装在 HVAC 控制系统上。  The third object of the present invention is to provide an HVAC control system using the DC permanent magnet synchronous motor of the above external control card, and the HVAC control system directly connects the DC permanent magnet with an external control card through the socket Synchronous motor, the external control card of the DC permanent magnet synchronous motor is installed on the HVAC control system.
本实用新型与现有技术相比， 具有如下效果：  Compared with the prior art, the utility model has the following effects:
1 )本实用新型的一种外置控制卡的直流永磁同步电机， 包括电机单体和 电机控制器， 所述的电机控制器包括有驱动控制微处理器、 逆变电路和电机运 行参数检测电路， 电机运行参数检测电路将电机运行参数输入到驱动控制微处 理器， 驱动控制微处理器输出 P醫信号控制逆变电路， 逆变电路的输出端与线 圏绕组连接， 位于电机外面、 通过电线连接有外置控制卡， 外置控制卡包括应 用控制微处理器， 应用控制微处理器与驱动控制微处理器相互连接通信， 这样 一来， 将应用控制独立于电机， 将应用控制部分全部集中在外置控制卡里面， 将基本的驱动控制部分放在电机控制器， 这样只需要更换不同应用控制功能的 外置控制卡就能适应不同的应用环境， 适应性强， 减少因环境变换或者功能变 换造成的浪费， 有利二次开发， 电机单体和电机控制器只实现基本开环控制驱 动功能， 检测容易， 质量容易保证， 检修容易。 1) A DC permanent magnet synchronous motor of an external control card of the present invention, comprising a motor unit and a motor controller, wherein the motor controller comprises a drive control microprocessor, an inverter circuit and a motor operating parameter detection The circuit, the motor running parameter detecting circuit inputs the motor running parameter to the driving control microprocessor, and the driving control microprocessor outputs the P medical signal to control the inverter circuit, and the output end of the inverter circuit is connected with the winding of the wire, which is located outside the motor and passes through The wire is connected with an external control card, and the external control card includes With the control microprocessor, the application control microprocessor and the drive control microprocessor are connected to each other, so that the application control is independent of the motor, and the application control part is entirely concentrated in the external control card, and the basic drive control part is It is placed in the motor controller, so that it can adapt to different application environments by replacing the external control card with different application control functions. It has strong adaptability, reduces waste caused by environmental change or function change, and is beneficial to secondary development. And the motor controller only realizes the basic open-loop control drive function, the detection is easy, the quality is easy to guarantee, and the maintenance is easy.
2 )上述所述的外置控制卡与电机控制器采用 4 妻口线： 分别为地线 GND、 +5V电源线、 RX通信线和 TX通信线， 接口筒单， 成本低， 通信可靠。  2) The external control card and the motor controller described above adopt the 4-hair line: ground GND, +5V power line, RX communication line and TX communication line, and the interface is single, low cost and reliable communication.
3 ) 上述所述的外置控制卡与电机控制器采用 3个接口线： 分别为地线 GND、 +5V电源线、 R/T通信线， 进一步筒化接口， 成本更低， 通信更可靠， 一般十几 米的连接距离通信也较为可靠。  3) The external control card and motor controller described above use three interface lines: ground GND, +5V power line, R/T communication line, and further cylindrical interface, which is lower in cost and more reliable in communication. Generally, the connection distance of more than ten meters is also relatively reliable.
4 )本实用新型的一种 HVAC控制系统， 该 HVAC控制系统采用上述外置控制 卡的直流永磁同步电机， HVAC控制系统通过接插口直接连接带外置控制卡的直 流永磁同步电机， 这样只需要更换不同应用控制功能的外置控制卡就能适应不 同的应用环境， 适应性强， 减少因环境变换或者功能变换造成的浪费， 有利二 次开发。  4) An HVAC control system of the present invention, the HVAC control system adopts the DC permanent magnet synchronous motor of the above external control card, and the HVAC control system directly connects the DC permanent magnet synchronous motor with an external control card through the socket, so that Only need to replace the external control card with different application control functions to adapt to different application environments, adaptability, reduce waste caused by environmental changes or function changes, and facilitate secondary development.
5 )本实用新型的一种 HVAC控制系统， 该 HVAC控制系统采用上述外置控制 卡的直流永磁同步电机， 直流永磁同步电机的外置控制卡安装在 HVAC控制系统 上， 可以筒化结构， 节省成本。  5) An HVAC control system of the present invention, the HVAC control system adopts the DC permanent magnet synchronous motor of the above external control card, and the external control card of the DC permanent magnet synchronous motor is installed on the HVAC control system, and the tubular structure can be , cut costs.
附图说明： BRIEF DESCRIPTION OF THE DRAWINGS:
图 1 是本实用新型电机的立体图；  Figure 1 is a perspective view of the motor of the present invention;
图 2 是本实用新型电机的外置控制卡部分上的分解图；  Figure 2 is an exploded view of the external control card portion of the motor of the present invention;
图 3 是本实用新型电机的整体结构分解图；  Figure 3 is an exploded view of the overall structure of the motor of the present invention;
图 4 是本实用新型电机的结构剖视图；  Figure 4 is a cross-sectional view showing the structure of the motor of the present invention;
图 5 是本实用新型电机控制器部分的立体图； 图 6 是本实用新型的电机控制器的第一种电路方框图； Figure 5 is a perspective view of a motor controller portion of the present invention; Figure 6 is a first circuit block diagram of the motor controller of the present invention;
图 7是图 6对应的一种实施电路图；  Figure 7 is a circuit diagram of an implementation corresponding to Figure 6;
图 8 是本实用新型的电机控制器的第二种电路方框图；  Figure 8 is a second circuit block diagram of the motor controller of the present invention;
图 9是本实用新型的 HVAC控制系统的一种原理框图；  Figure 9 is a schematic block diagram of the HVAC control system of the present invention;
图 10是本实用新型的 HVAC控制系统的另一种原理框图。  Figure 10 is another schematic block diagram of the HVAC control system of the present invention.
具体实施方式： detailed description:
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。  The present invention will be further described in detail below through the specific embodiments and the accompanying drawings.
如图 1至图 7所示， 本实用新型是一种外置控制卡的直流永磁同步电机， 包括电机单体和电机控制器， 所述的电机单体包括转轴 1、 永磁转子组件 2、 定 子组件 3和机壳组件， 永磁转子组件 2和定子组件 3形成磁藕合并安装在机壳 组件上， 定子组件 3包括定子铁芯和卷绕在定子铁芯上线圏绕组， 所述的电机 控制器包括有驱动控制微处理器、 逆变电路和电机运行参数检测电路， 电机运 行参数检测电路将电机运行参数输入到驱动控制微处理器， 驱动控制微处理器 输出 P醫信号控制逆变电路， 逆变电路的输出端与线圏绕组连接， 位于电机外 面、通过电线 101连接有外置控制卡 100 , 外置控制卡 100包括应用控制微处理 器， 应用控制微处理器与驱动控制微处理器相互连接通信， 外置控制卡 100的 应用控制微处理器可以是一个最小单片机系统， 通过软件实现电机应用系统级 别的控制算法， 电机运行参数检测电路包括转子位置测量电路， 转子位置测量 电路将转子位置数据输入到驱动控制微处理器， 驱动控制微处理器驱动逆变电 路，从而形成开环控制模式。应用控制微处理器与驱动控制微处理器是通过 R/T 串行通信模块相互连接通信， 驱动控制微处理器将电机运行状态数据发送到应 用控制微处理器， 应用控制微处理器根据电机运行状态数据发出控制指令到驱 动控制微处理器， 驱动控制微处理器执行控制指令控制逆变电路运作， 从而形 成闭环控制。 应用控制微处理器里面存储有恒风量控制模块或者恒转速控制模 块或者是恒力矩控制模块， 每一种外置控制卡 100里面的控制模块是不同的， 只要根据不同的应用场合选用不同的外置控制卡 1 00 , 例如 HVAC控制系统需要 实现恒风量控制， 那麽外置控制卡 100里面的控制模块采用恒风量控制模块。 上述所述的外置控制卡与电机控制器采用 4 妻口线：分别为地线 GND、+5V 电源线、 RX通信线和 TX通信线。 As shown in FIG. 1 to FIG. 7 , the utility model relates to a DC permanent magnet synchronous motor with an external control card, comprising a motor unit and a motor controller, wherein the motor unit comprises a rotating shaft 1 and a permanent magnet rotor assembly 2 . , the stator assembly 3 and the casing assembly, the permanent magnet rotor assembly 2 and the stator assembly 3 form a magnetic yoke and are mounted on the casing assembly, the stator assembly 3 includes a stator core and a winding winding wound on the stator core, The motor controller includes a drive control microprocessor, an inverter circuit and a motor operation parameter detection circuit, and the motor operation parameter detection circuit inputs the motor operation parameter to the drive control microprocessor, and the drive control microprocessor outputs the P medical signal control inverter. The circuit, the output end of the inverter circuit is connected to the winding of the winding, is located outside the motor, and is connected with an external control card 100 through the wire 101. The external control card 100 includes an application control microprocessor, an application control microprocessor and a driving control micro The processor is connected to each other, and the application control microprocessor of the external control card 100 can be a minimum single-chip system, and the motor application system is realized by software. The control algorithm of the system level, the motor running parameter detecting circuit comprises a rotor position measuring circuit, and the rotor position measuring circuit inputs the rotor position data to the driving control microprocessor, and the driving control microprocessor drives the inverter circuit to form an open loop control mode. The application control microprocessor and the drive control microprocessor communicate with each other through the R/T serial communication module, and the drive control microprocessor sends the motor running state data to the application control microprocessor, and the application control microprocessor operates according to the motor. The status data issues control commands to the drive control microprocessor, and the drive control microprocessor executes control commands to control the operation of the inverter circuit to form closed loop control. The application control microprocessor stores a constant air volume control module or a constant speed control module or a constant torque control module. The control modules in each external control card 100 are different, as long as different external applications are selected according to different applications. Control card 1 00, such as HVAC control system needs To achieve constant air volume control, the control module inside the external control card 100 adopts a constant air volume control module. The external control card and the motor controller described above adopt a 4-hair line: a ground line GND, a +5V power line, an RX communication line, and a TX communication line.
上述所述的外置控制卡与电机控制器采用 3个接口线：分别为地线 GND、+5V 电源线、 R/T通信线， 这样进一步筒化接口， 成本更低， 通信更可靠， 一般十几 米的连接距离通信也较为可靠。  The external control card and the motor controller described above adopt three interface lines: ground GND, +5V power line, and R/T communication line, so that the interface is further compressed, the cost is lower, the communication is more reliable, and generally Communication distance of more than ten meters is also relatively reliable.
上述所述的机壳组件包括圓筒壳体 4、 前端盖 5、 后端盖 6 , 永磁转子组件 2安装在转轴 1上， 定子组件 3与圓筒壳体 4连接在一起嵌套在永磁转子组件 2 外面， 前端盖 5和后端盖 6分别安装在圓筒壳体 4的两端， 转轴 1支 7|在前端 盖 5和后端盖 6的轴承上， 上述电机控制器安装在机壳组件的外面， 电机控制 器里面设置电路板 9 , 电路板 9安装在一个外罩 7里面， 外罩 7与后端盖 6连接 安装。  The casing assembly described above includes a cylindrical casing 4, a front end cover 5, and a rear end cover 6, and the permanent magnet rotor assembly 2 is mounted on the rotating shaft 1, and the stator assembly 3 and the cylindrical casing 4 are connected together and nested in the permanent Outside the magnetic rotor assembly 2, the front end cover 5 and the rear end cover 6 are respectively mounted at the two ends of the cylindrical housing 4, and the rotating shaft 1 is 7|in the bearings of the front end cover 5 and the rear end cover 6, the motor controller is mounted on On the outside of the casing assembly, a circuit board 9 is disposed inside the motor controller, and the circuit board 9 is mounted inside a casing 7, and the casing 7 is connected to the rear cover 6.
上述电机控制器还包括电源电路， 电源电路为各部分电路供电， 电源电路、 驱动控制微处理器、 逆变电路集成在控制电路板 9上， 控制电路板 9安装在控 制盒 7里面， 控制盒 7安装在机壳组件底部， 外置控制卡 100位于控制盒 7的 外面，电源电路的输入端与外部交流输入连接， 电源电路的输出端提供母线电 压、 +5V低电压和 +15V低电压， 其中母线电压和 15V低电压提供给逆变电路使 用， +5 V低电压引出形成供应外部设备的电源引出端。  The motor controller further includes a power supply circuit, the power supply circuit supplies power to each part of the circuit, the power supply circuit, the drive control microprocessor, and the inverter circuit are integrated on the control circuit board 9, and the control circuit board 9 is installed in the control box 7, the control box 7 is installed at the bottom of the casing assembly, the external control card 100 is located outside the control box 7, the input end of the power circuit is connected with an external AC input, and the output of the power circuit provides a bus voltage, a +5V low voltage, and a +15V low voltage. The bus voltage and 15V low voltage are supplied to the inverter circuit, and the +5 V low voltage is taken out to form a power supply terminal for supplying external devices.
带外置控制卡的直流永磁同步电机还设置有接插口 8 ,通过接插口 8直接连 接带外置控制卡的直流永磁同步电机连接到 HVAC控制系统。  The DC permanent magnet synchronous motor with an external control card is also provided with a socket 8 for directly connecting a DC permanent magnet synchronous motor with an external control card to the HVAC control system through the socket 8.
上述所述的电机运行参数检测电路还包括母线电流测量电路和母线电压测 量电路。  The motor operating parameter detecting circuit described above further includes a bus current measuring circuit and a bus voltage measuring circuit.
如图 6所示， 带外置控制卡的直流永磁同步电机假设是 3相电机， 转子位 置测量电路一般采用 3个霍尔传感器， 3个霍尔传感器分别检测一个 360度电角 度周期的转子位置， 每转过 120度电角度改变一次定子组件 3的各相线圏绕组 的通电， 形成 3相 6步控制模式。 交流输入（AC INPUT )经过由二级管 D7、 D8、 D9、 D10组成的全波整流电路后， 在电容 CI的一端输出直流母线电压 Vbus，直 流母线电压 Vbus与输入交流电压有关， 交流输入（AC INPUT ) 的电压确定后， 母线电压 Vbus是恒定的， 3相绕组的线电压 P是 PWM斩波输出电压， P=Vbus *w, w是驱动控制微处理器输入到逆变电路的 P醫信号的占空比，改变线电压 P可以 改变直流母线电流 Ibus，逆变电路由电子开关管 Ql、 Q2、 Q3、 Q4、 Q5、 Q6组成， 电子开关管 Ql、 Q2、 Q3、 Q4、 Q5、 Q6的控制端分别由驱动控制微处理器输出的 6路 PWM信号（Pl、 P2、 P3、 P4、 P5、 P6)控制， 逆变电路还连接电阻 Rl用于检 测母线电流 I bus , 母线电流检测电路将电阻 R1的检测母线电流 Ibus转换后传 送到驱动控制微处理器。 As shown in Fig. 6, the DC permanent magnet synchronous motor with external control card is assumed to be a 3-phase motor, and the rotor position measuring circuit generally adopts three Hall sensors, and three Hall sensors respectively detect a rotor with a 360-degree electrical angular period. The position, the electrical angle of each phase of the stator assembly 3 is changed once every 120 degrees of electrical angle to form a 3-phase 6-step control mode. AC input (AC INPUT) passes through diodes D7, D8, After the full-wave rectification circuit composed of D9 and D10, the DC bus voltage Vbus is outputted at one end of the capacitor CI, and the DC bus voltage Vbus is related to the input AC voltage. After the voltage of the AC input (AC INPUT) is determined, the bus voltage Vbus is constant. The line voltage P of the 3-phase winding is the PWM chopping output voltage, P=Vbus *w, w is the duty ratio of the P medical signal that drives the microprocessor input to the inverter circuit, and changing the line voltage P can change the DC bus current. Ibus, the inverter circuit is composed of electronic switch tubes Ql, Q2, Q3, Q4, Q5, Q6, and the control terminals of the electronic switch tubes Ql, Q2, Q3, Q4, Q5, Q6 are respectively driven by the 6-channel output of the drive control microprocessor. PWM signal (Pl, P2, P3, P4, P5, P6) is controlled. The inverter circuit is also connected with a resistor R1 for detecting the bus current I bus . The bus current detecting circuit converts the detected bus current Ibus of the resistor R1 and transmits it to the drive control. microprocessor.
电机单体和电机控制器只实现基本开环控制驱动功能， 检测容易， 质量容 易保证， 检修容易， 位于电机外面、 通过电线连接有外置控制卡， 外置控制卡 包括应用控制微处理器， 应用控制微处理器与驱动控制微处理器相互连接通信， 这样一来， 将应用控制独立于电机， 将应用控制部分全部集中在外置控制卡里 面， 将基本的驱动控制部分放在电机控制器， 这样只需要更换不同应用控制功 能的外置控制卡就能适应不同的应。  The motor unit and the motor controller only realize the basic open-loop control drive function, the detection is easy, the quality is easy to ensure, and the maintenance is easy. It is located outside the motor and has an external control card connected through the wire. The external control card includes an application control microprocessor. The application control microprocessor and the drive control microprocessor are connected to each other, so that the application control is independent of the motor, the application control part is entirely concentrated in the external control card, and the basic drive control part is placed on the motor controller. In this way, it is only necessary to replace the external control card with different application control functions to adapt to different applications.
如图 8所示， 电机运行参数检测电路包括相电流测量电路， 相电流测量电 路将相电流数据输入到驱动控制微处理器， 驱动控制微处理器驱动逆变电路， 从而形成开环控制模式， 利用相电流数据可以估算转子位置， 转子速度， 从而 为驱动控制微处理器确定电流换相时机提供依据。  As shown in FIG. 8, the motor running parameter detecting circuit includes a phase current measuring circuit, and the phase current measuring circuit inputs the phase current data to the driving control microprocessor, and the driving control microprocessor drives the inverter circuit to form an open loop control mode. The phase current data can be used to estimate the rotor position and rotor speed, thus providing a basis for the drive control microprocessor to determine the current commutation timing.
如图 9所示， 一种 HVAC控制系统， HVAC控制系统通过接插口 8直接连接带 外置控制卡的直流永磁同步电机， 驱动控制微处理器与 HVAC控制系统直接连接 通信。  As shown in Fig. 9, an HVAC control system, the HVAC control system directly connects the DC permanent magnet synchronous motor with an external control card through the connector 8, and the drive control microprocessor directly communicates with the HVAC control system.
如图 10所示， 一种 HVAC控制系统， HVAC控制系统通过接插口 8直接连接 带外置控制卡的直流永磁同步电机， 直流永磁同步电机的外置控制卡 100安装 在 HVAC控制系统上。  As shown in FIG. 10, an HVAC control system, the HVAC control system directly connects the DC permanent magnet synchronous motor with an external control card through the socket 8, and the external control card 100 of the DC permanent magnet synchronous motor is mounted on the HVAC control system. .

Claims

权利要求 Rights request
1、 一种外置控制卡的直流永磁同步电机， 包括电机单体和电机控制器， 所 述的电机单体包括转轴、 永磁转子组件、 定子组件和机壳组件， 7 磁转子组件 和定子组件形成磁藕合并安装在机壳组件上， 定子组件包括定子铁芯和卷绕在 定子铁芯上线圏绕组， 所述的电机控制器包括有驱动控制微处理器、 逆变电路 和电机运行参数检测电路， 电机运行参数检测电路将电机运行参数输入到驱动 控制微处理器， 驱动控制微处理器输出 P醫信号控制逆变电路， 逆变电路的输 出端与线圏绕组连接， 其特征在于： 位于电机外面、 通过电线连接有外置控制 卡， 外置控制卡包括应用控制微处理器， 应用控制微处理器与驱动控制微处理 器相互连接通信。 1. A DC permanent magnet synchronous motor with an external control card, including a motor unit and a motor controller. The motor unit includes a rotating shaft, a permanent magnet rotor assembly, a stator assembly and a casing assembly. 7. The magnetic rotor assembly and The stator assembly forms a magnetic coupling and is installed on the casing assembly. The stator assembly includes a stator core and a coil winding wound on the stator core. The motor controller includes a drive control microprocessor, an inverter circuit and a motor operation Parameter detection circuit, the motor operating parameter detection circuit inputs the motor operating parameters to the drive control microprocessor, the drive control microprocessor outputs the P medical signal to control the inverter circuit, the output end of the inverter circuit is connected to the coil winding, and is characterized by: : There is an external control card located outside the motor and connected through wires. The external control card includes an application control microprocessor, and the application control microprocessor and the drive control microprocessor are connected and communicate with each other.
2、 根据权利要求 1所述的一种外置控制卡的直流永磁同步电机， 其特征在 于： 电机运行参数检测电路包括转子位置测量电路， 转子位置测量电路将转子 位置数据输入到驱动控制微处理器并确定电流换相时机， 驱动控制微处理器驱 动逆变电路， 从而形成开环控制模式。 2. A DC permanent magnet synchronous motor with an external control card according to claim 1, characterized in that: the motor operating parameter detection circuit includes a rotor position measurement circuit, and the rotor position measurement circuit inputs the rotor position data to the drive control microcontroller. The processor determines the current commutation timing, and drives the control microprocessor to drive the inverter circuit, thereby forming an open-loop control mode.
3、 根据权利要求 1所述的一种外置控制卡的直流永磁同步电机， 其特征在 于： 电机运行参数检测电路包括相电流测量电路， 相电流测量电路将相电流数 据输入到驱动控制微处理器， 驱动控制微处理器驱动逆变电路， 从而形成开环 控制模式。 3. A DC permanent magnet synchronous motor with an external control card according to claim 1, characterized in that: the motor operating parameter detection circuit includes a phase current measurement circuit, and the phase current measurement circuit inputs the phase current data to the drive control microcontroller. The processor drives and controls the microprocessor to drive the inverter circuit, thereby forming an open-loop control mode.
4、 根据权利要求 1或 2或 3所述的一种外置控制卡的直流永磁同步电机， 其特征在于： 应用控制微处理器与驱动控制微处理器是通过 R/T串行通信模块 相互连接通信， 驱动控制微处理器将电机运行状态数据发送到应用控制微处理 器， 应用控制微处理器根据电机运行状态数据发出控制指令到驱动控制微处理 器， 驱动控制微处理器执行控制指令控制逆变电路运作， 从而形成闭环控制。 4. A DC permanent magnet synchronous motor with an external control card according to claim 1, 2 or 3, characterized in that: the application control microprocessor and the drive control microprocessor are connected through the R/T serial communication module Connected and communicated with each other, the drive control microprocessor sends the motor operating status data to the application control microprocessor, the application control microprocessor issues control instructions to the drive control microprocessor based on the motor operating status data, and the drive control microprocessor executes the control instructions. Control the operation of the inverter circuit to form closed-loop control.
5、 根据权利要求 1或 2或 3所述的一种外置控制卡的直流永磁同步电机， 其特征在于： 应用控制微处理器里面存储有恒风量控制模块或者恒转速控制模 块或者是恒力矩控制模块。 5. A DC permanent magnet synchronous motor with an external control card according to claim 1, 2 or 3, characterized in that: a constant air volume control module or a constant speed control module or a constant torque is stored in the application control microprocessor. control module.
6、 根据权利要求 5所述的一种外置控制卡的直流永磁同步电机， 其特征在 于： 外置控制卡与电机控制器采用 4根接口线： 分别为地线 GND、 +5V电源线、 RX通信线和 TX通信线。 6. A DC permanent magnet synchronous motor with an external control card according to claim 5, characterized in that: the external control card and the motor controller use 4 interface wires: ground wire GND, +5V power wire , RX communication line and TX communication line.
7、 根据权利要求 5所述的一种外置控制卡的直流永磁同步电机， 其特征在 于： 外置控制卡与电机控制器采用 3个接口线： 分别为地线 GND、 +5V电源线、 R/T通信线 7. A DC permanent magnet synchronous motor with an external control card according to claim 5, characterized in that: the external control card and the motor controller use 3 interface lines: ground wire GND and +5V power line respectively. , R/T communication line
8、 根据权利要求 1或 2或 3所述的一种外置控制卡的直流永磁同步电机， 其特征在于： 电机控制器还包括电源电路， 电源电路为各部分电路供电， 电源 电路、 驱动控制微处理器、 逆变电路集成在控制电路板上， 控制电路板安装在 控制盒里面， 控制盒安装在机壳组件底部， 外置控制卡位于控制盒的外面，电源 电路的输入端与外部交流输入连接， 电源电路的输出端提供母线电压、 +5V低电 压和 +15V低电压， 其中母线电压和 15V低电压提供给逆变电路使用， +5V低电 压引出形成供应外部设备的电源引出端。 8. A DC permanent magnet synchronous motor with an external control card according to claim 1, 2 or 3, characterized in that: the motor controller also includes a power circuit, the power circuit supplies power to each part of the circuit, the power circuit, the driver The control microprocessor and inverter circuit are integrated on the control circuit board. The control circuit board is installed inside the control box. The control box is installed at the bottom of the chassis assembly. The external control card is located outside the control box. The input end of the power circuit is connected to the external AC input connection, the output end of the power circuit provides bus voltage, +5V low voltage and +15V low voltage. The bus voltage and 15V low voltage are provided to the inverter circuit. The +5V low voltage lead forms the power outlet for external equipment. .
9、 根据权利要求 1或 2或 3所述的一种外置控制卡的直流永磁同步电机， 其特征在于： 电机运行参数检测电路还包括母线电流测量电路和母线电压测量 电路。 9. A DC permanent magnet synchronous motor with an external control card according to claim 1 or 2 or 3, characterized in that: the motor operating parameter detection circuit further includes a bus current measurement circuit and a bus voltage measurement circuit.
10、 根据权利要求 8所述的一种外置控制卡的直流永磁同步电机， 其特征 在于： 机壳组件包括圓筒壳体、 前端盖、 后端盖， 永磁转子组件安装在转轴上， 定子组件与圓筒壳体连接在一起嵌套在永磁转子组件外面， 前端盖和后端盖分 别安装在圓筒壳体的两端， 转轴支承在前端盖和后端盖的轴承上。 10. A DC permanent magnet synchronous motor with an external control card according to claim 8, characterized in that: the casing assembly includes a cylindrical housing, a front end cover, and a rear end cover, and the permanent magnet rotor assembly is installed on the rotating shaft , the stator assembly is connected to the cylindrical shell and nested outside the permanent magnet rotor assembly. The front end cover and the rear end cover are respectively installed at both ends of the cylindrical shell. The rotating shaft is supported on the bearings of the front end cover and the rear end cover.
11、 根据权利要求 10所述的所述的一种外置控制卡的直流永磁同步电机， 其特征在于： 电机控制器安装在机壳组件的外面， 电机控制器的电路板安装在 一个外罩里面， 外罩与后端盖连接安装。 11. The DC permanent magnet synchronous motor with an external control card according to claim 10, characterized in that: the motor controller is installed outside the casing assembly, and the circuit board of the motor controller is installed in an outer cover. Inside, the outer cover is connected and installed with the rear end cover.
12、 一种应用权利要求 1至 11所述的任何一项一种外置控制卡的直流永磁 同步电机的 HVAC控制系统， 其特征在于： HVAC控制系统通过接插口直接连接带 外置控制卡的直流永磁同步电机。 12. An HVAC control system for a DC permanent magnet synchronous motor using an external control card according to any one of claims 1 to 11, characterized in that: the HVAC control system is directly connected to the external control card through a socket. DC permanent magnet synchronous motor.
13、 一种应用权利要求 1至 11所述的任何一项一种外置控制卡的直流永磁 同步电机的 HVAC控制系统， 其特征在于： HVAC控制系统通过接插口直接连接带 外置控制卡的直流永磁同步电机， 直流永磁同步电机的外置控制卡安装在 HVAC 控制系统上。 13. An HVAC control system for a DC permanent magnet synchronous motor using an external control card according to any one of claims 1 to 11, characterized in that: the HVAC control system is directly connected to the external control card through a socket. DC permanent magnet synchronous motor, the external control card of the DC permanent magnet synchronous motor is installed on the HVAC control system.
PCT/CN2014/072483 2014-01-26 2014-02-25 Direct-current permanent magnet synchronous motor with external control card, and control system thereof using hvac WO2015109629A1 (en)

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